Quantitative biology database

BioNumbers – The Database of Useful Biological Numbers

Here’s a neat new website. It’s a repository of quantitative information on biological things (eg. organisms, biomolecules, etc.) Some stuff I found while glancing through:

Number of mRNA/cell in E. coli: 138

Volume occupied by all RNA in E. coli: 6%

Average gene length in mammals: 16.6kb

Average gene length in nematode C. elegans:  4 kb

Mutation rate per genome per replication in humans: 0.16 mutation/genome/replication

Average time between blinks in humans: 2.8 sec

Amount of photons necessary to excite a cone in humans: 100

Citations are included for most numbers too. The database seems a little sparse on neuroscience topics, so go over and contribute some numbers!

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